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. 2013 Nov;27(6):615–627. doi: 10.1037/a0034492

Table 2. Mean Age and Psychometric Scores for the Typically-Developing Group and the Autism Spectrum Disorder Group.

Measure TD group (n = 14) ASD group (n = 14) Group differences
M SD M SD F(1, 26) p
Note. TD = typically developing; ASD = autism spectrum disorder; BPVS = British Picture Vocabulary Scale; RPM = Raven’s Standard Progressive Matrices.
Chronological age (years) 11.8 1.1 11.8 1.4 0.03 .87
Standardized BPVS 110.1 13.1 110.3 13.6 <0.01 .98
RPM 44.3 6.3 41.6 8.3 0.95 .33